Web Map services on Linux crash when performing a GetCapabilities request

Last Published: April 25, 2020


If the web map service (WMS) capability is enabled on Sample World Cities, clicking the WMS link from the REST endpoint for the service returns an HTTP 400 error.

"The request sent by the client was syntactically incorrect."
[O-Image] The request sent by the client was syntactically incorrect
Viewing the server logs reveals the Sample World Cities service crash. The following severe error is logged with ArcGIS Server and an error report is generated.
"Error handling request to service '.MapServer'. java.io.IOException: Server object extension 'wmsserver' not found."
Connection from ArcMap also fails.
[O-Image] An event was unable to invoke any of the subscribers


This is a known issue.


  1. Download the ArcGIS 10.3.1 for Server (Linux) WMS GetCapabilities Patch, available from the Esri Support website.
  2. Follow the directions provided on the page in the above link.

    Article ID:000012809

    • ArcGIS Server

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